diff options
| author | Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> | 2025-11-04 04:02:55 -0800 |
|---|---|---|
| committer | Abel Vesa <abel.vesa@linaro.org> | 2025-11-11 18:01:22 +0200 |
| commit | 3b521bf8c51246466e2c337f1f2b60acfdfe82d6 (patch) | |
| tree | b4dab7ed9a6a96938b3dcfb8fc7c0e59484e6c78 | |
| parent | 9d97a2fe48ae77976baff441edd5b30ea4e179c0 (diff) | |
dt-bindings: clock: document 8ULP's SIM LPAV
Add documentation for i.MX8ULP's SIM LPAV module.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Link: https://lore.kernel.org/r/20251104120301.913-3-laurentiumihalcea111@gmail.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml | 72 | ||||
| -rw-r--r-- | include/dt-bindings/clock/imx8ulp-clock.h | 5 | ||||
| -rw-r--r-- | include/dt-bindings/reset/fsl,imx8ulp-sim-lpav.h | 16 |
3 files changed, 93 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml b/Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml new file mode 100644 index 000000000000..662e07528d76 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/fsl,imx8ulp-sim-lpav.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX8ULP LPAV System Integration Module (SIM) + +maintainers: + - Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> + +description: + The i.MX8ULP LPAV subsystem contains a block control module known as + SIM LPAV, which offers functionalities such as clock gating or reset + line assertion/de-assertion. + +properties: + compatible: + const: fsl,imx8ulp-sim-lpav + + reg: + maxItems: 1 + + clocks: + maxItems: 3 + + clock-names: + items: + - const: bus + - const: core + - const: plat + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + + mux-controller: + $ref: /schemas/mux/reg-mux.yaml# + +required: + - compatible + - reg + - clocks + - clock-names + - '#clock-cells' + - '#reset-cells' + - mux-controller + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/imx8ulp-clock.h> + + clock-controller@2da50000 { + compatible = "fsl,imx8ulp-sim-lpav"; + reg = <0x2da50000 0x10000>; + clocks = <&cgc2 IMX8ULP_CLK_LPAV_BUS_DIV>, + <&cgc2 IMX8ULP_CLK_HIFI_DIVCORE>, + <&cgc2 IMX8ULP_CLK_HIFI_DIVPLAT>; + clock-names = "bus", "core", "plat"; + #clock-cells = <1>; + #reset-cells = <1>; + + mux-controller { + compatible = "reg-mux"; + #mux-control-cells = <1>; + mux-reg-masks = <0x8 0x00000200>; + }; + }; diff --git a/include/dt-bindings/clock/imx8ulp-clock.h b/include/dt-bindings/clock/imx8ulp-clock.h index 827404fadf5c..c62d84d093a9 100644 --- a/include/dt-bindings/clock/imx8ulp-clock.h +++ b/include/dt-bindings/clock/imx8ulp-clock.h @@ -255,4 +255,9 @@ #define IMX8ULP_CLK_PCC5_END 56 +/* LPAV SIM */ +#define IMX8ULP_CLK_SIM_LPAV_HIFI_CORE 0 +#define IMX8ULP_CLK_SIM_LPAV_HIFI_PBCLK 1 +#define IMX8ULP_CLK_SIM_LPAV_HIFI_PLAT 2 + #endif diff --git a/include/dt-bindings/reset/fsl,imx8ulp-sim-lpav.h b/include/dt-bindings/reset/fsl,imx8ulp-sim-lpav.h new file mode 100644 index 000000000000..adf95bb26d21 --- /dev/null +++ b/include/dt-bindings/reset/fsl,imx8ulp-sim-lpav.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright 2025 NXP + */ + +#ifndef DT_BINDING_RESET_IMX8ULP_SIM_LPAV_H +#define DT_BINDING_RESET_IMX8ULP_SIM_LPAV_H + +#define IMX8ULP_SIM_LPAV_HIFI4_DSP_DBG_RST 0 +#define IMX8ULP_SIM_LPAV_HIFI4_DSP_RST 1 +#define IMX8ULP_SIM_LPAV_HIFI4_DSP_STALL 2 +#define IMX8ULP_SIM_LPAV_DSI_RST_BYTE_N 3 +#define IMX8ULP_SIM_LPAV_DSI_RST_ESC_N 4 +#define IMX8ULP_SIM_LPAV_DSI_RST_DPI_N 5 + +#endif /* DT_BINDING_RESET_IMX8ULP_SIM_LPAV_H */ |